Double tub bath structure
CA 2103199 A1 · Owner: Lin, Jung-Fa · Inventors: Lin, Jung-Fa
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A double tub bath structure includes a primary tub defining therein a water containing recess a secondary tub, smaller than the primary tub and movably disposed within the primary tub by being supported by a support plate and a hood serving as a canopy to cover the water containing recess removably secured to the primary tub. A positioning rod with a plurality of positioning holes formed thereon is secured to the support plate and is movably received within a slot formed in the primary tub. A control lever pivoted within a deep hole juxtaposing the slot is allowed to rotate relative to the positioning rod to have a retaining end thereof engage one of the positioning holes to hold the …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed November 16, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 16, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 16, 2015.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.